Atrial fibrillation (AF) is a highly prevalent arrhythmia associated with a fivefold increase in
the risk of stroke. However, this risk is not homogeneous and varies considerably depending …

2666 Stroke October 2017 validation studies showed fair-to-good predictive ability of the
CHADS2 score, with C statistics ranging between 0.56 and 0.82. 18 Despite these validation …

Introduction: The CHADS2 score is the most frequently used measure to evaluate stroke risk
in patients with atrial fibrillation (AF). However, this measure does not capture all known risk …

Background: Previous studies report that CHADS2 and CHA2DS2-VASc risk scores have
similar discriminating ability (C statistic∼ 0.6). Recently a clinically based risk score, the …

Background Both US and European guidelines recommend use of the CHA 2 DS 2-VASc
rather than CHADS 2 score for stroke risk stratification in atrial fibrillation (AF). However, the …

Background In patients at high risk of stroke, such as atrial fibrillation (AF), there has been
great interest in developing stroke risk prediction schemes for identifying those at high risk of …

Several stroke risk stratification scores have been developed to guide clinical decision-
making in patients with nonvalvular atrial fibrillation (AF). The aim of this study was to …

Objective To perform a systematic review and meta-analysis of the predictive abilities of
CHADS 2 and CHA 2 DS 2-VASc in stroke and thromboembolism risk stratification of atrial …

Atrial fibrillation (AF) is a major risk factor for stroke and thromboembolism but this risk is not
homogeneous among patients with AF, being dependent upon associated risk factors such …

Background: A new scoring system, the anticoagulation and risk factors in atrial fibrillation
(ATRIA) score, was proposed for risk stratification in patients with atrial fibrillation (AF) …